Rear End Noise

[YAKFSHR]

sometimes when taking off i hear a grumbling noise in the rear of the 87 wag. its sporatic but after driving on the freeway and stopping it usually happens then. it only happens after stopping and taking off.

[Rich 89 Gr. Wag]

Have you checked the differential fluid? You could have developed a slowly leaking gasket, and eventually lost enought to make a difference.